[Bugs] [Bug 1293256] [Tier]: "Bad file descriptor" on removal of symlink only on tiered volume

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1293256

Mohammed Rafi KC <rkavunga at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |POST
           Assignee|bugs at gluster.org            |rkavunga at redhat.com



--- Comment #1 from Mohammed Rafi KC <rkavunga at redhat.com> ---

Description of problem:
=======================

rm on symbolic link errors with "Bad file descriptor" from client only on
tiered volume. 

[root at dj r1]# touch a
[root at dj r1]# ln -s a b
[root at dj r1]# ls
a  b
[root at dj r1]# rm -rf b
rm: cannot remove ‘b’: Bad file descriptor
[root at dj r1]# ls
a
[root at dj r1]# 


Brick Log Snippet:
==================

[2015-12-20 19:36:21.565019] E [MSGID: 113005] [posix.c:1700:posix_unlink]
0-vol0-posix: post operation fstat failed on fd=-1 [Bad file descriptor]
[2015-12-20 19:36:21.565125] E [MSGID: 115062]
[server-rpc-fops.c:1097:server_unlink_cbk] 0-vol0-server: 229668: UNLINK /r1/b
(1ad39c8b-623b-455a-9914-6139453f4b31/b) ==> (Bad file descriptor) [Bad file
descriptor]


Version-Release number of selected component (if applicable):
=============================================================

glusterfs-3.7.5-12.el7rhgs.x86_64


How reproducible:
=================

Always

Steps to Reproduce:
===================
1. Create Tier volume
2. Mount the volume on client
3. Create a file
4. Create symlink to the file
5. Remove symlink from client

Actual results:
===============

rm: cannot remove ‘etc.3/xdg/systemd/user’: Bad file descriptor
rm: cannot remove ‘etc.3/rc.d/rc0.d/K50netconsole’: Bad file descriptor
rm: cannot remove ‘etc.3/rc.d/rc0.d/K03rhnsd’: Bad file descriptor
rm: cannot remove ‘etc.3/rc.d/rc0.d/K90network’: Bad file descriptor
rm: cannot remove ‘etc.3/rc.d/rc5.d/S10network’: Bad file descriptor
rm: cannot remove ‘etc.3/rc.d/rc5.d/K50netconsole’: Bad file descriptor

[root at mia ~]# file /etc/xdg/systemd/user
/etc/xdg/systemd/user: symbolic link to `/etc/systemd/user'
[root at mia ~]# file /etc/rc.d/rc0.d/K50netconsole
/etc/rc.d/rc0.d/K50netconsole: symbolic link to `../init.d/netconsole'
[root at mia ~]# file /etc/rc.d/rc0.d/K03rhnsd
/etc/rc.d/rc0.d/K03rhnsd: symbolic link to `../init.d/rhnsd'
[root at mia ~]# ls -l /etc/rc.d/rc0.d/K03rhnsd
lrwxrwxrwx. 1 root root 15 Oct 14 07:17 /etc/rc.d/rc0.d/K03rhnsd ->
../init.d/rhnsd
[root at mia ~]# file /etc/rc.d/rc0.d/K90network
/etc/rc.d/rc0.d/K90network: symbolic link to `../init.d/network'
[root at mia ~]# file /etc/rc.d/rc5.d/S10network
/etc/rc.d/rc5.d/S10network: symbolic link to `../init.d/network'
[root at mia ~]# file /etc/rc.d/rc5.d/K50netconsole
/etc/rc.d/rc5.d/K50netconsole: symbolic link to `../init.d/netconsole'
[root at mia ~]#


Expected results:
=================

Symbolic link should also be removed without errors


Additional info:
================

Removal of symlink file on non-tiered volume is successful

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